Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 25 | class CacheManager extends CacheInvalidator |
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| 26 | { |
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| 27 | /** |
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| 28 | * @var UrlGeneratorInterface |
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| 29 | */ |
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| 30 | private $urlGenerator; |
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| 31 | |||
| 32 | /** |
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| 33 | * What type of urls to generate. |
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| 34 | * |
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| 35 | * @var bool|string |
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| 36 | */ |
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| 37 | private $generateUrlType = UrlGeneratorInterface::ABSOLUTE_PATH; |
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| 38 | |||
| 39 | /** |
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| 40 | * Constructor. |
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| 41 | * |
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| 42 | * @param ProxyClientInterface $cache HTTP cache proxy client |
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| 43 | * @param UrlGeneratorInterface $urlGenerator Symfony route generator |
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| 44 | */ |
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| 45 | 11 | public function __construct(ProxyClientInterface $cache, UrlGeneratorInterface $urlGenerator) |
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| 46 | { |
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| 47 | 11 | parent::__construct($cache); |
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| 48 | 11 | $this->urlGenerator = $urlGenerator; |
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| 49 | 11 | } |
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| 50 | |||
| 51 | /** |
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| 52 | * Set what type of URLs to generate. |
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| 53 | * |
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| 54 | * @param bool|string $generateUrlType One of the constants in UrlGeneratorInterface |
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| 55 | */ |
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| 56 | 8 | public function setGenerateUrlType($generateUrlType) |
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| 60 | |||
| 61 | /** |
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| 62 | * Assign cache tags to a response. |
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| 63 | * |
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| 64 | * @param Response $response |
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| 65 | * @param array $tags |
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| 66 | * @param bool $replace Whether to replace the current tags on the |
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| 67 | * response |
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| 68 | * |
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| 69 | * @return $this |
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| 70 | * |
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| 71 | * @deprecated Add tags with TagHandler::addTags and then use TagHandler::tagResponse |
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| 72 | */ |
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| 73 | 1 | public function tagResponse(Response $response, array $tags, $replace = false) |
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| 92 | |||
| 93 | /** |
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| 94 | * Invalidate a route. |
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| 95 | * |
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| 96 | * @param string $name Route name |
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| 97 | * @param array $parameters Route parameters (optional) |
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| 98 | * @param array $headers Extra HTTP headers to send to the caching proxy (optional) |
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| 99 | * |
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| 100 | * @return $this |
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| 101 | */ |
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| 102 | 1 | public function invalidateRoute($name, array $parameters = array(), array $headers = array()) |
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| 108 | |||
| 109 | /** |
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| 110 | * Refresh a route. |
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| 111 | * |
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| 112 | * @param string $route Route name |
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| 113 | * @param array $parameters Route parameters (optional) |
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| 114 | * @param array $headers Extra HTTP headers to send to the caching proxy (optional) |
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| 115 | * |
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| 116 | * @return $this |
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| 117 | */ |
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| 118 | 1 | public function refreshRoute($route, array $parameters = array(), array $headers = array()) |
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| 124 | } |
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| 125 |
If you suppress an error, we recommend checking for the error condition explicitly: